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--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>There are 3 addChild methods in SceneObject.java in X3DJSAIL:</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> public SceneObject addChild(X3DChildNode newValue)<o:p></o:p></p><p class=MsoNormal> public SceneObject addChild(X3DMetadataObject newValue)<o:p></o:p></p><p class=MsoNormal> public SceneObject addChild(LayerSetObject newValue)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>python x3domflowers.py<o:p></o:p></p><p class=MsoNormal>Traceback (most recent call last):<o:p></o:p></p><p class=MsoNormal> File "x3domflowers.py", line 40, in <module><o:p></o:p></p><p class=MsoNormal> Scene7.addChild(NavigationInfo8)<o:p></o:p></p><p class=MsoNormal> File "jnius\jnius_export_class.pxi", line 906, in jnius.JavaMultipleMethod.__call__ (jnius\jnius.c:29116)<o:p></o:p></p><p class=MsoNormal> File "jnius\jnius_export_class.pxi", line 632, in jnius.JavaMethod.__call__ (jnius\jnius.c:25465)<o:p></o:p></p><p class=MsoNormal> File "jnius\jnius_conversion.pxi", line 68, in jnius.populate_args (jnius\jnius.c:8422)<o:p></o:p></p><p class=MsoNormal> File "jnius\jnius_utils.pxi", line 207, in jnius.check_assignable_from (jnius\jnius.c:5712)<o:p></o:p></p><p class=MsoNormal>jnius.JavaException: Invalid instance of 'org/web3d/x3d/jsail/Navigation/NavigationInfoObject' passed for a 'org/web3d/x3d/sai/Core/X3DMetadataObject'<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am wondering if we can make the second and third methods above addMetadata() and addLayerSet()?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>John<o:p></o:p></p></div></body></html>